土壤温度的垂直分布类型中，辐射型出现在（）。
A、清晨
B、正午
C、白天
D、夜间
参考答案：D
可摘局部义齿基托折断，采用热凝塑胶修补，装盒方法为()可摘局部义齿基托与粘膜不贴合，采用间接重衬法修补，装盒方法为()
A．正装法
B．反装法
C．二者均有
D．二者均无
Eliza remembers everything exactly as if it ____ yesterday. [ ]
A. was happening
B. happens
C. has happened
D. happened
